(a)
Discard the O-rings from these MEC ports.
(b)
VBV OPEN port
(c)
VSV HEAD port
(d)
TC1 port
(e)
TC2 port
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEE A
VBV OPEN END PORT VBV CLOSED END FITTING AND PORT A
B B
CDP (PS3) PORT
CBP PORT
CC A
A
MEC Port Locations Figure 411 (Sheet 1)
E34491
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
VBV OPEN END PORT
VBV CLOSED
END PORT
PCR PORT
OVERBOARD
DRAIN PORT
TOP VIEW B-B
1 ON ENGINES WITHOUT THE HPTCC TIMER, THE PC AND TC3 PORTSARE PLUGGED
PC PORT 1
TC3 PORT
1
RIGHT END VIEW A-A
HEATED SERVO
SUPPLY PORT
BOTTOM VIEW C-C
MEC Port Locations Figure 411 (Sheet 2)
CBP PORT
CDP (PS3) PORT
E34541
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////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEE A
VBV CLOSED
END FITTINGS
AND PORT A
VBV OPEN
END PORT
SEE B
A A
MEC Fittings and O-Rings Figure 412 (Sheet 1)
CDP (PS3) PORT
CBP PORT
E34983
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
DSEE PC PORT 1
END LINE VSV HEAD SEE TC3 TC1 TC2 D 1
MEC
SEE C ENGINE INBD
FWD SOLENOID IDLE RESET
MEC B VIEW IN THE FORWARD DIRECTION C
O-RING
FITTING AT PLUG AT PC PC AND TC3 AND TC3 PORTS PORTS
PORT PORT
O-RING
EXAMPLE OF PC AND TC3 PORTS, FITTINGS AND O-RINGS
D
1 ON ENGINES WITHOUT THE HPTCC TIMER, THE PC AND TC3 PORTS ARE PLUGGED. MEC Fittings and O-RingsFigure 412 (Sheet 2)
E35027
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////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
VSV HEAD
FITTING
TC2
FITTING
O-RING
CIT (P6)
CIT (P6) PORT O-RING
FITTING TC1 FITTING
O-RING
PB
FITTING
VSV HEAD
PORT
TC2 PORT
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